Kuwongolera Kwathunthu kwa 74hc595: Wogwira Ntchito Oyenerera 8
2024-04-19 4038

Kulembetsa ku Shift ndi chida chomwe chimagwiritsa ntchito mfundo zowerengera kuti musunge ndi kusamutsa deta.Ndi gawo loyeserera lomwe limasunthira tsatanetsatane uliwonse kuchokera ku zowonjezera kuti zichoke pa makosi aliwonse.Pakadali mitundu yosiyanasiyana yolembetsa, yomwe ili 74hc595 ndi yolemba yofanana ndi seweroli.Ntchito yake ndikusintha zigawo za seriya mu zizindikiro zofananira, ndipo nthawi zambiri zimagwiritsidwa ntchito tchipisi oyendetsa machubu osiyanasiyana a digito ndi matrix osiyanasiyana.Nkhaniyi idzetsa zambiri malinga ndi zikhomo ndi mapulogalamu.

74hc595 ndi gawo la 8-bial stial, lofananitsani kutulutsa mawu, ndipo zotuluka zake ndizotulutsa zitatu.Pamphepete mwa scy (wotchi ya seri), deta ya seri ya seri yolowera mkati mwa 8-bir (secal deta) ndi kutulutsa kwa secal to q7 '.Zotsatira zofananira zimachitika m'mphepete mwa phompho (lalatch Control).Pakadali pano, zomwe zimawerengedwa mu Ndege 8-bit Stand zidalembedwera mu kalembetsa wa 8-bitlel lofanana.Mukatero (kutulutsa)

- SN74HC595MPLREP

74HC595555 ili ndi zikhomo 16.Chithunzi chojambulidwachi ndi ntchito zake ndizotere.

Pini ya Ser PIN ndi pini ya seri ya secal ya 74hc595.Zambiri zitha kukhala zotseguka mu chip pang'ono pang'onopang'ono kudzera pa pini iyi.Mukamagwira ntchito, titayambitsa zambiri pa pini iyi, kenako ndikusintha deta yolowera mu register pang'ono potchire pinc kuti mukwaniritse kufalikira kwa data.

Chikhomo cha RCLK ndi cholembera cholembera makhosi a 74hc595.Zomwe zimayambitsa zonse zimasunthidwa mu renti Register, timasinthanitsa ndi vclk pini kuti musinthe deta ku Reset Registern kulembetsa nthawi yomweyo.Ntchito ya pini iyi ndikuwongolera zosungira za deta.

Pini ya SRCLK ndi yosinthira digirini yolowera koloko ya 74hc595.Pa nthawi ya kusintha kwa Shift, timasinthiratu kuti mulembetse ku Reft Register mwa kuwongolera mawonekedwe a SRCLK pini.Ntchito ya pini iyi ndikuwongolera chikwangwani cha Shift Stription.

Chikhomo cha oe ndi kutulutsa kolowera pini ya 74hc595.Mwa kuwongolera mulingo wa pini iyi yomwe titha kuyambitsa kapena kuletsa pini yotulutsa.Pamene pini ya OE ndi yokwera, pini yotulutsa ili yolemala ndipo palibe deta yolowera.Pamene pini ya OE ili yotsika, pini yotulutsa idzadutsa deta yolowera.

Chikhomo cha DS ndi chikhomo chogwiritsira ntchito seartior of the 74hc595.Mosiyana ndi pini 1 (Ser), pini ya DS ikhoza kulamulidwa ndi dera lakunja kuti mukwaniritse kuyankhulana.Izi zidulezi pakati pa makina ogwiritsira ntchito ma serial ndi mawonekedwe ofananira.

Chikhomo cha St_cp ndi cholembera chotchinga cha Flip-Flop chotchinga cha 74hc595.Ngati batani la Stop-Flip-Flop lotembenuka, zomwe zili mu kukumbukira zomwe zalowetsedwa zizisungidwa mu pini yotulutsa kutengera zomwe zili pano.Ntchito ya pini iyi ndikuwongolera zosungira za deta.

Chikhomo cha sh_cp ndi chosinthira chosinthira ma Clock Clock a 74HC595.Pamene kusintha kwa Regit Reginel Kusintha kwa Stonel, zomwe zakhazikitsidwa zidzasunthidwa mu Register SISTRE POPANDA CHIYANI.Ntchito ya pini iyi ndikuwongolera chikwangwani cha Shift Stription.

Pini ya Q7 'ndi 8th pang'ono (pang'ono) pini ya 74hc595, yomwe imagwiritsidwa ntchito kutulutsa chidziwitso cha 8th mu Shift Register.Mkhalidwe wa pini iyi umatsimikizika ndi zomwe zimayambitsa ndi zomwe zalembedwazo mu Shift Register.

Q0 mpaka Q7 Pin ndi zikhomo zotulutsa zisanu ndi zitatu za 74hc595 (kuphatikiza q0 mpaka Q7), zomwe zimagwiritsidwa ntchito kutulutsa zambiri kuchokera kudera lotsika kwambiri mpaka ku Reserting.Pini lililonse limafanana ndi kutulutsa kwa data.Kupyola zikhomo izi, zomwe zili mu Reftird Register itha kubweretsa gawo lakunja lomwe likufanana.

74hc595 nthawi zambiri amagwiritsidwa ntchito m'magawo otsatirawa.

Malingaliro ofananira a 74hc595 amapangitsa kuti athe kuyendetsa kangapo nthawi yomweyo, ndipo kubwezeredwa kulikonse kumatha kuwongolera zida imodzi kapena zingapo.Chifukwa chake, kudzera mu kapangidwe kabwino ndi mapulogalamu, titha kupanga dongosolo losinthika komanso lamphamvu lamagetsi.

Polumikiza zikhomo zotulukapo za ma pion a Microcontleler kupita ku zidutswa za 74hc595, timatha kuzindikira ntchito yowonjezera padoko lotulutsa, motero tikupereka zikhomo zopangidwa mosiyanasiyana.Mwanjira imeneyi, titha kugwiritsa ntchito gawo la 74Hc595's Isral kuti muwonjezere madontho ocheperako a MicroContraverler kuti akwaniritse zambiri zowongolera, azindikire kuwongolera kokwanira kwa zida zingapo kapena zigawo zingapo.

M'nkhani yoyendetsa LCD, 74hc595 imatha kugwiritsa ntchito mawonekedwe ake ogulitsa ndi kufananitsa kuti asunge deta yowonetsera yomwe yatumizidwa kuchokera ku microctorler mu renti ya mkati ndi imodzi.Pambuyo pake, zimatulutsa tsatanetsatanewu mofanana ndi driver wa LCD kudzera ku ntchito ya latch.Mwanjira imeneyi, titha kusinthitsa zomwe zili patsamba la LCD, kaya ndi zolemba, zithunzi kapena kanema, m'njira yosalala.

Tikaphatikiza kuwongolera kumenyedwa ndi 74Hc595 Shift Register, titha kupanga mochenjera kwambiri zomwe zimaphatikizika kwambiri ndi nyimbo.Kuwongolera kuwongolera algorithm, monga pachimake, ndi udindo wogwira molondola nyimbo za nyimboyo ndikupanga zizindikiro zogwirizana.Zizindikiro izi sizongosintha malamulo osavuta okha, amatha kukhala ndi pafupipafupi, kuwala, komanso kusintha kwa mitundu yowala.The 74hc595 imatha kuwongolera mosavuta pa / kuwonongeka kwa madandaulo ambiri pogwiritsa ntchito makina ake ogwiritsira ntchito ndi kufananitsa.

Mzere wosinthitsa mzere uliwonse wa LED amalumikizidwa ndi kutulutsa kwa 74hc595, kotero kuti pang'ono zitha kuwonetsedwa pawokha (onani chithunzi pansipa).Nthawi yomweyo, popeza chiwonetsero cha chilichonse chimayendetsedwa ndi doko lililonse la anthu odziyimira pa intaneti, nambala yake yosankhidwa imayendetsedwa, ndiye kuti zilembo zomwe zikuwonetsedwa zitha kukhala zosiyana.Komabe, kwa ziwonetsero za N-BRTIzi zimatenga zinthu zambiri ndipo mtengo wake ndi wokulirapo.Kupanga kotereku sikwachithandiza kuwunika kwa manambala angapo chifukwa kumakulitsa zovuta zake.

M'mapulogalamu angapo a LED-BRED, kuti muchepetse madera, sinthani ndalama ndi kusunga zothandizira, titha kuwongolera ndi zisankho pa 74hc595 (onani chithunzi pansipa).Popeza malo osinthira a madongosolo onse amawongoleredwa mogwirizana ndi doko lofanana ndi lofanana wa 74hc595, nthawi iliyonse, N-Maso amawonetsa otchulidwa.Ngati tikufuna kuti likhale liwiro kuti muwonetse zilembo zosiyanasiyana, tiyenera kugwiritsa ntchito njira yowunikira.Izi zikutanthauza kuti nthawi iliyonse, timangokhala ndi amodzi mwa mawebusayiti omwe akuwonetsa zilembo.Nthawi inayake, doko lofanana la 74hc595 lidzatulutsa nambala yosankha yazofananira.Nthawi yomweyo, kuwongolera pang'ono ku / O podo kumatumiza mtengo wowonekera kuti muwonetsetse kuti mawonekedwe ogwirizana amawonetsedwa molondola.Izi zidzachitika, kotero kuti LED iliyonse ikuwonetsa kuti yomwe iyenera kuwonetsa panthawi.Ndikofunika kudziwa kuti kuyambira 74hc595 ndi ntchito ya latch ndipo zimatenga nthawi yayitali kuti musankhe code pakati, pochita opareshoni zowonjezera, sitifunikira kuchedwa kolimbika.

Chip cha 74hc595 chiri membala wa mndandanda 74.Ili ndi mawonekedwe othamanga mwachangu, kugwiritsa ntchito mphamvu zochepa, komanso kuwongolera kosavuta.Itha kugwiritsidwa ntchito mosavuta ngati mawonekedwe a microcortherfice kuti ayendetse madambo.

Kuonetsa kwa madi asanu ndi awiri-kuwonekeranso, komwe kumadziwikanso kuti kuwonetsa kwa LED, kwagwiritsidwa ntchito kwambiri m'mitundu yosiyanasiyana yazida chifukwa cha mtengo wake wotsika, kugwiritsa ntchito mphamvu yotsika.Pali mitundu yambiri ya oyendetsa odzipereka pamsika wapano.Ngakhale ambiri aiwo ali olemera pantchito, mitengo yawo imakhala yofanana.Chifukwa chake, pogwiritsa ntchito ma drive omwe ali pamtengo wotsika komanso mosavuta makina osakhala ndi zovuta komanso zimawonjezera mtengo wa malonda.Kugwiritsa ntchito 74hc595 mpaka kuyendetsa madambo ndi zabwino zambiri.Choyamba, kuthamanga kwake koyendetsa galimoto kumathamanga komanso mphamvu yake yamagetsi kumakhala kochepa.Kachiwiri, 74hc595 imatha kuyendetsa bwino maanters osiyanasiyana, kaya ndi chiwonetsero cha catoode wamba kapena chiwonetsero cha Adod Adodi, chitha kuthana mosavuta.Kuphatikiza apo, kudzera mu pulogalamu yamapulogalamu, titha kusintha kuwunika mosavuta kwa chiwongolerocho ndikuzimitsa komwe pakufunika (zomwe zimapangitsa kuti kugwiritsa ntchito mphamvu, ndikukhazikitsa nthawi iliyonse pakafunika.Dera lomwe linapangidwa pogwiritsa ntchito 74hc595 silimangokhala ndi mapulogalamu osavuta mapulogalamu ndi ma harrare, kugwiritsa ntchito mphamvu zochepa, kuthekera kolimba, komanso kungokhala kocheperako.Chifukwa chake, lakhala njira yotsika mtengo komanso yosinthika yosinthika, makamaka yofunikanso kuchitika yomwe imafunikira ndalama pamtengo ndi zinthu.

Chithunzithunzi chomwe chili pansipa ndi gawo lowoneka bwino lomwe limapangidwa pogwiritsa ntchito AT89C205051 ndi 74HC595 mawonekedwe.

P115, p116, ndi p117 ya doko la P1 limagwiritsidwa ntchito kuwongolera mawonekedwe a LED.Amalumikizidwa ndi slick, sclk ndi sda pins motsata.Machubu atatu digito amagwiritsidwa ntchito kuwonetsa mtengo wamagetsi.Mabatani atatu digito amaikidwa pa bolodi la madera kuti awonetse mtengo wamagetsi.Pakati pawo, LED3 ili kudzatsala, ndipo LED1 ndi ili kumanja.Potumiza deta, choyamba timatumiza nambala yowonetsera ya LED3, ndipo pamapeto pake tumizani nambala ya LED1.Kuwala kwa LED kumayendetsedwa ndikusintha kukana kwa Pre1 mpaka pr3.Kapangidwe kameneka sikongotsimikizira dongosolo la chiwonetsero cha deta, komanso limapangitsa kusintha kosasinthika.

Powonjezera zotchinga kapena madalaivala zotulutsa 74hc595, monga 74l24 (kusakhazikika) kapena mabakiti ena oyendetsa basi, amatha kukulitsa luso la chizindikiro cha chizindikirocho.

Chonde onetsetsani kuti magetsi amagetsi a 74hc595 ali mkati mwa mitundu yomwe yatchulidwa ndipo mphamvu yake ndi yolimba yokwanira kukwaniritsa zomwe zingakuyendereni.Ngati mphamvu ya mphamvu siyikukwanira, imatha kuyambitsa chizindikiro cha kutulutsa, zomwe zimakhudza kuthekera kwake motero sikungakuyendetsere katunduyo moyenera.

Ngati zotulutsa za 74hc595 sizokwanira kuyendetsa mwachindunji

Mu PCB Viring, tiyenera kuyesetsa kuchepetsa kukana ndi kusanja kwa luntha kuti musinthe kufalitsa njira.Kuphatikiza apo, chonde pewani kusokonekera kwambiri komanso phokoso pazenera kuti musakhudze mtundu wa anthu 74hc595.

Tiyenera kusankha katundu woyenera kutengera ndi mawonekedwe a chipangizocho.Ngati katunduyo akutsutsana ndi ochepa kwambiri, amayambitsa kwambiri ndipo angawononge chip cha 74HC595.Komanso, ngati katundu wotsutsana ndi wokulirapo, sangathe kupeza zopereka zowoneka bwino.

Ngati zida zambiri zikuyenera kuthamangitsidwa, ndipo zofunikira za zida izi zikufanana, titha kulinganiza kufananizitsa magawo angapo 74hc595 kuti ipititse patsogolo kuyendetsa galimoto.Komabe, pasanakhale zikufanana, onetsetsani kuti zofunikira za zidazi ndizofanana, ndipo zomwe zikufanana ndi zomwe zimaphatikizidwa siziyenera kupitilira malire a 74hc595, kuti musawononge chip kapena kusokoneza mphamvu.

74HC595 ndi Remict Register yomwe imagwira ntchito pa seri mofananamo.Imalandira deta yochokera ku microcontroller ndipo kenako imatumiza izi kudzera pazikhomo.

The 74hc595 ndi chipangizo chothamanga kwambiri cha CMOS.Kulembetsa kwa 8Atatsika ntchito yobwezeretsanso ntchito zonse zolembetsa ku Zero ndipo ndilibe zovala zonse.

Tsamba la Fayilo ya 74hc595 limafotokoza kuti zotulutsa zilizonse zitha kupulumutsa 35ma chifukwa izi ndizololedwa kwambiri.Izi ndi zomveka bwino kwambiri.Pali malire ena: The 74HC595 siyiyenera kupereka zoposa 70ma zokwanira.

The 74hc595 ndikulembetsa ndi max7219 ndi dalaivala wachiwiri.Chifukwa chake onsewo sachita chinthu chomwecho.The Max7219 ikhoza kukhala yosavuta kugwiritsa ntchito ndi picaxe ngati mukutulutsa ziwonetserozo monga momwe ntchito yofotokozera zimachitidwa ndi max7219 osati picaxe koma ndizokwera mtengo.